Coala indicates signs of
atrial
fi
brillation (Cat. 2)
– 41 –
10. If the Coala detects an
abnormal result, the user
is informed of the deviating
result by a pink circle
indicating the average heart
rate of the 30 sec thumb
recording. There is also be a
short description of the result
below the ECG-tracing of the
thumb recording.
When a deviating result
occurs, always conduct a
second recording to verify
the result and pay particular
attention to holding Coala
steady during recording.